While a modem is a plug-and-play device, connecting it to a multi-line phone system will require some additional hardware to provide uninterrupted service.

1. How to connect mobile internet to a PC with USB tethering Mobile phones have long had a modem feature, allowing you to hook up the device to your computer via USB.

How to Connect a PC to a Laptop Using a D-Link Router. Business owners often move back and forth between a traveling laptop and a more powerful desktop PC. Although this setup allows you to keep ...